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Finding the Fourth Proportional to 224,696.37, 310,079.39 and 122,721.83

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Solution

The fourth proportional to 224,696.37, 310,079.39 and 122,721.83 is: 169,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,696.37 : 310,079.39 = 122,721.83 : x
  2. Step 2: Convert to fraction form
    224,696.37/310,079.39 = 122,721.83/x
  3. Step 3: Cross multiply
    224,696.37x = 310,079.39 × 122,721.83
  4. Step 4: Simplify right side
    224,696.37x = 38,053,508,022.08
  5. Step 5: Solve for x
    x = 38,053,508,022.08/224,696.37
  6. Step 6: Final answer
    x = 169,355.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.